Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D459780 | Life jacket | — | 2002-07-02 |
| 4290800 | Process for feeding iron sponge into an electric arc furnace | Siegfried Sensis, Joachim Schwerdtfeger, Dieter Ameling | 1981-09-22 |
| 4268015 | Bottom outlet or discharge for use in metallurgical vessels for steel melts, particularly tundishes | Ernst Luhrsen, Godehard Sussmuth | 1981-05-19 |